28577484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 49849956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 269, 454, 468, 538, 681, 807, 908, 1076, 1362, 1614, 2043, 2421, 2724, 2951, 3228, 3497, 4086, 4842, 5902, 6994, 8172, 8853, 9684, 10491, 11804, 13988, 17706, 20982, 26559, 31473, 35412, 41964, 53118, 61063, 62946, 106236, 122126, 125892, 183189, 244252, 366378, 549567, 732756, 793819, 1099134, 1587638, 2198268, 2381457, 3175276, 4762914, 7144371, 9525828, 14288742, 28577484]

約数ペア:

[(1, 28577484), (2, 14288742), (3, 9525828), (4, 7144371), (6, 4762914), (9, 3175276), (12, 2381457), (13, 2198268), (18, 1587638), (26, 1099134), (36, 793819), (39, 732756), (52, 549567), (78, 366378), (117, 244252), (156, 183189), (227, 125892), (234, 122126), (269, 106236), (454, 62946), (468, 61063), (538, 53118), (681, 41964), (807, 35412), (908, 31473), (1076, 26559), (1362, 20982), (1614, 17706), (2043, 13988), (2421, 11804), (2724, 10491), (2951, 9684), (3228, 8853), (3497, 8172), (4086, 6994), (4842, 5902)]